Any help here please.
Again it got auto upgrade today.
Apr 09 09:37:32 <hostname -f> kibana[2457]: {"type":"log","@timestamp":"2019-04-09T09:37:32Z","tags":["warning"],"pid":2457,"kibanaVersion":"6.7.1","nodes":[{"version":"6.7.0","http":{"publish_address":"<ip1>:9200"},"ip":"<ip1>"},{"version":"6.7.0","http":{"publish_address":"<ip3>:9200"},"ip":"<ip3>"},{"version":"6.7.0","http":{"publish_address":"<ip2>:9200"},"ip":"<ip2>"}],"message":"You're running Kibana 6.7.1 with some different versions of Elasticsearch. Update Kibana or Elasticsearch to the same version to prevent compatibility issues: v6.7.0 @ <ip1>:9200 (<ip1>), v6.7.0 @ <ip3>:9200 (<ip3>), v6.7.0 @ <ip2>:9200 (<ip2>)"}